WICHITA, Kan. (AP) _ Four new Kansas measles cases have been traced to a Wichita restaurant where one employee might have picked up the virus during a recent outbreak in the Kansas City metropolitan area.

The Kansas Department of Health and Environment is urging anyone who ate at Sal's Japanese Steakhouse on Kellogg Drive on various dates in June and July and developed symptoms to call their doctor.

A KDHE news release says three employees at the steakhouse and an unvaccinated infant who was exposed to the virus at the restaurant became infected.

Measles cases have been rare in the U.S. since indigenous measles were declared eliminated in the country in 2000.

KDHE says there has been a resurgence in cases this year, with 554 confirmed in 20 states through July 3

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